Doug Aitken's "Lightscape," a film installation spread across seven screens, wrapped up its engagement this week at the Shed in New York, occupying the venue's 12,000-square-foot Darla Moore Gallery. The closing coincided with the arts center's yearly invite-only gala on Thursday evening, where Jamie XX delivered a live score synchronized to Aitken's moving imagery, merging music and visuals into a single immersive experience